Homogeneous Photocatalytic Degradation of Acid Alizarin Black Using Hydrogen Peroxide

Authors

  • Haydar A. Mohammad Salim University of Zakho
  • Sabir A. Mohammad Salih University of Zakho
  • Sherwan M. Simo University of Zakho

Keywords:

Photocatalytic, AOPs, catalyst, wastewater, H2O2

Abstract

Photocatalytic degradation of acid alizarin black (AAB) dye (C.I. 21725) in aqueous solution was investigated using UV light in the presence of hydrogen peroxide (H2O2) as a catalyst at different operating conditions. The operating conditions were concentration of catalyst dosage (0.1, 0.2 and 0.3 mL of 30 % H2O2), initial concentration of AAB dye (100, 150 and 200 mg/L) and pH (3.3, 6.84 and 10.8). It was found that the increasing of catalyst concentration enhanced the dye decolourisation. Hydrogen peroxide exerted positive effects on the AAB removal whilst the initial concentration of AAB negatively affected its removal. It was also found that the removal efficiency of AAB increased with the pH value close to neutral (pH 7), while a reversed trend was observed at acidic and basic medium.

Author Biographies

Haydar A. Mohammad Salim, University of Zakho

Dept. of Chemistry, Faculty of Science, University of Zakho, Kurdistan Region-Iraq.

Sabir A. Mohammad Salih, University of Zakho

Dept. of Chemistry, Faculty of Science, University of Zakho, Kurdistan Region-Iraq.

Sherwan M. Simo, University of Zakho

Dept. of Chemistry, Faculty of Science, University of Zakho, Kurdistan Region-Iraq.

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Published

2014-12-30

How to Cite

Mohammad Salim, H. A., Mohammad Salih, S. A., & Simo, S. M. (2014). Homogeneous Photocatalytic Degradation of Acid Alizarin Black Using Hydrogen Peroxide. Science Journal of University of Zakho, 2(2), 329–335. Retrieved from https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/251

Issue

Vol. 2 No. 2 (2014): December, 2014

Section

Science Journal of University of Zakho

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